CVE-2023-45510
📋 TL;DR
CVE-2023-45510 is a memory allocation/deallocation mismatch vulnerability in tsMuxer that can lead to memory corruption. Attackers could potentially exploit this to cause denial of service or execute arbitrary code. Users of tsMuxer version git-2539d07 are affected.
💻 Affected Systems
- tsMuxer
📦 What is this software?
Tsmuxer by Justdan96
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise
Likely Case
Application crash or denial of service
If Mitigated
Application instability or unexpected termination
🎯 Exploit Status
Exploitation requires user to process a specially crafted media file
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after git-2539d07
Vendor Advisory: https://github.com/justdan96/tsMuxer/issues/778
Restart Required: No
Instructions:
1. Update tsMuxer to latest version from GitHub repository
2. Recompile from source if using self-compiled version
3. Replace existing binary with patched version
🔧 Temporary Workarounds
Restrict file processing
allLimit tsMuxer to process only trusted media files
Sandbox execution
linuxRun tsMuxer in a container or sandboxed environment
docker run --rm -v $(pwd):/data tsMuxer
🧯 If You Can't Patch
- Discontinue use of tsMuxer for untrusted media files
- Implement strict input validation and file type checking
🔍 How to Verify
Check if Vulnerable:
Check tsMuxer version with 'tsMuxeR --version' or 'tsMuxeR -v'Check Version:
tsMuxeR --versionVerify Fix Applied:
Verify version is newer than git-2539d07📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory corruption errors
- Segmentation faults in tsMuxer process
Network Indicators:
- Unusual file downloads followed by tsMuxer execution
SIEM Query:
process_name:"tsMuxeR" AND (event_type:"crash" OR exit_code:139)